<?php
/**
$res = file_get_contents('http://www.cnbeta.com/backend.php');
preg_match_all('/<link>(.*?)<\/link>/si', $res, $matches);

echo '<pre>';
print_r($matches);
*/

$res = file_get_contents('http://www.cnbeta.com/articles/130457.htm');

preg_match('/<h3 id="news_title">(.*?)<\/h3>/i', $res, $matches);

echo iconv('gbk', 'utf-8', $matches[1]);